Planet WASP-81 b

Name WASP-81 b
Planet Status Confirmed
Discovered in 2016
Mass 0.729 ( -0.035 +0.036 ) MJ
Mass*sin(i)
Semi-Major Axis 0.03908 ( -0.00072 +0.0007 ) AU
Orbital Period 2.7164762 (± 2.3e-06) JD
Eccentricity 0.0 ( -0.0 +0.066 )
ω
Tperi
Radius 1.429 ( -0.046 +0.051 ) RJ
Inclination 88.69 ( -0.092 +0.088 ) deg
Update 2016-12-27
Detection Method Radial Velocity
Mass Detection Method Radial Velocity
Radius Detection Method Primary Transit
Molecules
Primary transit 2456195.57462 ( -0.0002 +0.00023 ) JD
Secondary transit
λ
Impact Parameter b
Time Vr=0
Velocity Semiamplitude K 100.8 ( -3.3 +3.4 ) m/s
Calculated temperature
Measured temperature
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names

Star

WASP-81
Name WASP-81
Distance 410.0 (± 70.0) pc
Spectral type G1
Apparent magnitude V
Mass 1.08 ( -0.058 +0.059 ) MSun
Age
Effective temperature 5870.0 (± 120.0) K
Radius 1.283 ( -0.037 +0.04 ) RSun
Metallicity [Fe/H] -0.36 (± 0.14)
Detected Disc
Magnetic Field
RA2000 20:16:49.9
Dec2000 +03:17:39
Alternate Names
Planetary system
2 planets

Remarks

Triaud et al. (2016) : WASP-81A has a visual companion, however the pair is most likely unrelated.

More data


Related publications

Peculiar architectures for the WASP-53 and WASP-81 planet-hosting systems
2016 TRIAUD A., NEVEU-VANMALLE M., LENDL M., ANDERSON D., COLLIER CAMERON A. et al.
MNRAS, submitted
arxiv